• Seasonal Ordinary Seaman (OS)…

    National Park Service (Houghton, MI)
    …position: a US Coast Guard Merchant Mariner Credential with a minimum rating of Ordinary Seaman , a US Coast Guard Medical Certificate, a Department of Homeland ... a typical Longshoreman. Must be able to stand an 8-hour watch as an OS Seaman or Watchman in adverse weather conditions including large waves, fog, and/or snow while… more
    National Park Service (12/30/25)
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